Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1978-11-30
1981-08-04
Ross, Herbert F.
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
138 89, 285371, F24J 302, F16L 2106
Patent
active
042816432
ABSTRACT:
A coupling for the outwardly stepped end of a pipe. The coupling comprises a body having first and second stepped portions which when the body is inserted axially into the pipe end engages with corresponding stepped portions. The body includes a flange which engages with the pipe end and securing means are provided fo retaining the body in position in the pipe. The coupling can be used for coupling pipes which are each located in housings. The housings can be for example those of solar energy absorber panels with the coupling joining together the header pipes.
REFERENCES:
patent: 779750 (1905-01-01), Vogel
patent: 1934022 (1933-11-01), Wiggins
patent: 2153330 (1939-04-01), Kludt
patent: 3853338 (1974-12-01), Wilson
patent: 3965887 (1976-06-01), Gramer
patent: 4138989 (1979-02-01), Doyle
patent: 4154223 (1979-05-01), Lof
patent: 4170507 (1979-10-01), Keeling
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